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Online calculator. Solving of biquadratic equations.

A biquadratic equation is a polynomial equation

a x
4 +
b x
2 +
c
= 0, where
a
not equal 0.

Solve biquadratic equation means to find all the values

xi
, in which will be the equality
a xi
4 +
b xi
2 +
c
= 0.

If in your biquadratic equation there are subtraction signs, before corresponding coefficient in the calculator it is necessary to put a sign a minus ("-"). For example:

x
4 - 4
x
2 - 5 = 0,

coefficients 1, -4, -5.
If in your biquadratic equation there are less than three summand, near to an absent coefficient in the calculator it is necessary to put a zero ("0"). For example:

x
4 - 4
x
2 = 0,

coefficients 1, -4, 0.

You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.

For solving of biquadratic equation online

Input biquadratic equation coefficients:

x
4 + 
x
2 +  = 0






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Welcome to OnlineMSchool. This web site owner is mathematician Dovzhyk Mykhailo. I designed this web site and wrote all the mathematical theory, online exercises, formulas and calculators.

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